Fig. 3: State-by-state comparisons of background checks vs. search volumes.
From: Internet search patterns reveal firearm sales, policies, and deaths
a U.S. long-gun background checks vs. U.S. relative Internet search volume for the term shotgun (Pearson’s r = 0.78, Spearman’s ρ = 0.76). b U.S. handgun background checks vs. U.S. relative search Internet search volume for the term 9 mm (Pearson’s r = 0.63, Spearman’s ρ = 0.59) across all 50 US states in 2019.
